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Sleep disturbances exacerbate dysfunction in Alzheimer's

On October 29, 2015, Posted by , In Buzz, By ,,,, , With No Comments

Chemical changes in brain cells caused by jet lag-like sleep disturbances may contribute to learning and memory loss in Alzheimer’s, according to a study published in the Journal of Alzheimer’s Disease. Sleep disruption affects many older people and is especially linked with Alzheimer’s. Many older adults notice changes…

Learning in your sleep – the right way

On October 29, 2015, Posted by , In Buzz, By ,, , With No Comments

You can swot up on vocabulary in your sleep – but only if you don’t confuse your brain in the process. Researchers funded by the Swiss National Science Foundation have invited people to their sleep lab for a Dutch language course. You can’t learn new things in…

Study shows chronic fatigue associated with abnormal brain connectivity at rest

On October 28, 2015, Posted by , In Buzz, By ,,,,,,,, , With No Comments

Patients with chronic fatigue have decreased signaling and communication between specific brain regions when the brain is at rest, and less effective connectivity between these regions strongly correlates with greater fatigue, according to the results of a new study published in Brain Connectivity, a peer-reviewed journal from Mary Ann…

Nicotine helps suppress alcohol-induced sleepiness, study finds

On October 28, 2015, Posted by , In Buzz, By ,,,,,, , With No Comments

Use of nicotine and alcohol often go hand-in-hand, although the underlying causes are unclear. One suggestion is that nicotine boosts the pleasurable effects of alcohol while reducing the aversive effects. Now, a new study finds another explanation – nicotine cancels out the sleepiness brought on by…

Depression too often reduced to a checklist of symptoms

On October 27, 2015, Posted by , In Buzz, By ,,,, , With No Comments

How can you tell if someone is depressed? The Diagnostic and Statistical Manual of Mental Disorders (DSM) – the ‘bible’ of psychiatry – diagnoses depression when patients tick off a certain number of symptoms on the DSM checklist. A large-scale quantitative study coordinated at KU Leuven, Belgium, now shows that…

Use of benzodiazepines and related drugs common around Alzheimer's diagnosis

On October 26, 2015, Posted by , In Buzz, By ,,,,,, , With No Comments

Benzodiazepines and related drugs are initiated frequently in persons with Alzheimer’s disease already before the diagnosis, and their use becomes even more common after the diagnosis, shows a recent study from the University of Eastern Finland. Benzodiazepines and related drugs are used as a sleep medication and for anxiolytic…

World-first QUT study links light exposure to weight gain in children

On October 26, 2015, Posted by , In Buzz, By ,,,,,,, , With No Comments

A world-first study by QUT’s Sleep in Early Childhood Research Group has revealed pre-schoolers exposed to more light earlier in day tend to weigh more. Cassandra Pattinson, a PhD student and her colleagues studied 48 children aged three to five from six Brisbane childcare centres over a two week…

Crash risk: Lifestyle, occupational factors that may put truck drivers in danger

On October 23, 2015, Posted by , In Buzz, By ,,,,,,, , With No Comments

Truck drivers who are frequently fatigued after work, use cell phones while driving, or have an elevated pulse pressure – a potential predictor of cardiovascular disease – may be at increased risk for getting into truck accidents, according to a study by the Rocky Mountain Center for Occupational and Environmental…

Alzheimer's disease: Plaques impair memory formation during sleep

On October 22, 2015, Posted by , In Buzz, By ,,,,,,, , With No Comments

Protein deposits associated with dementia influence brain activity during sleep Alzheimer’s patients frequently suffer from sleep disorders, mostly even before they become forgetful. Furthermore, it is known that sleep plays a very important role in memory formation. Researchers from the Technical University of Munich (TUM) have now…

Don't smile for the camera when sleepy: CARRS-Q study

On October 21, 2015, Posted by , In Buzz, By ,,,,, , With No Comments

Drowsy drivers who filmed themselves behind the wheel may have unknowingly given road safety researchers the answer to reducing sleepy driving. Ashleigh Filtness, from Queensland University of Technology’s (QUT) Centre for Accident Research & Road Safety – Queensland (CARRS-Q), took a fly on the wall approach and watched YouTube…